remove spaces in a string js

str.replace(/\s+/g, '')

.replace(/ /g,'')

const removeSpaces = str => str.replace(/\s/g, '');

// Example
removeSpaces('hel lo wor ld');      // 'helloworld'

str = str.replace(/\s/g, '');

string.split(" ").join("")

var str = "       Hello World!        ";
alert(str.trim());

str = str.trim();

var str = '/var/www/site/Brand new document.docx';

document.write( str.replace(/\s/g, '') );

var puzzle1=myTrim($("#puzzleinput").val());
            function myTrim(x) {
              return x.replace(/^\s+|\s+$/gm,'');
            }